Lenovo Is7xm Rev 1.0 Motherboard Manual -

For drivers, visit the Lenovo PC Support site and search for your specific ThinkCentre model.

The rear I/O panel provides robust connectivity for its era: 1x DisplayPort and 1x VGA (D-Sub) port. USB: 4x USB 3.0 ports and 2x USB 2.0 ports. Network: 1x RJ-45 Gigabit Ethernet port. lenovo is7xm rev 1.0 motherboard manual

1x PCIe x16, 1x PCIe x1, and 2x standard PCI slots. Where to Find the Official Manual For drivers, visit the Lenovo PC Support site